Home / 109,000.52-150,421.71-65,981

Finding the Fourth Proportional to 109,000.52, 150,421.71 and 65,981

Calculator

Solution

The fourth proportional to 109,000.52, 150,421.71 and 65,981 is: 91,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,000.52 : 150,421.71 = 65,981 : x
  2. Step 2: Convert to fraction form
    109,000.52/150,421.71 = 65,981/x
  3. Step 3: Cross multiply
    109,000.52x = 150,421.71 × 65,981
  4. Step 4: Simplify right side
    109,000.52x = 9,924,974,847.51
  5. Step 5: Solve for x
    x = 9,924,974,847.51/109,000.52
  6. Step 6: Final answer
    x = 91,054.38

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.